The energy that's required to break bonds is called bond energy. Bond energy is used in chemistry, represented by an E, and accounts for measuring the strength of a bond in a chemical bond.
Answer -
(Eukaryotes)
Nucleus (N)
The nucleus function is the control and command center.
Reason - This is too obvious. I picked eukaryotes because it's basic cells for animilia. The nucleus is simple because it's obviously also a command and control for all common cells.
A man bleeding from a cut
Answer:
Your answer is C) Charles Darwin
B. because organisms will adapt because of their environment so the adaption fit it.